Aircraft



FIG. 1 is a top, front, right isometric view of an aircraft showing the new design;

FIG. 2 is a bottom, rear, left isometric view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines shown in the drawings represent portions of the aircraft that form no part of the claimed design. The additional eighteen circular elements are for environmental purposes only and form no part thereof. 

CLAIM The ornamental design for an aircraft, as shown and described. 